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We present the science case for mapping several thousand galaxy (proto)clusters at z=1-10 with a large aperture single dish sub-mm facility, producing a high-redshift counterpart to local large surveys of rich clusters like the well-studied…

There have been several independent analyses of the recent Wide Field Camera 3 images of the Hubble Deep Field, selecting galaxies at z>6 through the Lyman break technique. Presented here is a matched catalogue of objects in common between…

Cosmology and Nongalactic Astrophysics · Physics 2009-12-09 Andrew Bunker , Stephen Wilkins

We present a catalogue of 4098 photometrically selected galaxy clusters with a median redshift <z> = 0.32 in the 270 square degree 'Stripe 82' region of the Sloan Digital Sky Survey (SDSS), covering the celestial equator in the Southern…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 James E. Geach , David N. A. Murphy , Richard G. Bower

Our view of the low-redshift Cosmic Web has been revolutionized by galaxy redshift surveys such as 6dFGS, SDSS and 2MRS. However, the trade-off between depth and angular coverage limits a systematic three-dimensional account of the entire…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-20 Maciej Bilicki , John A. Peacock , Thomas H. Jarrett , Michelle E. Cluver , Louise Steward

Using Gemini North telescope ultra deep and high resolution (sub-kpc) K-band adaptive optics imaging of a sample of 4 nearby (z~0.15) massive (~10^{11}M_sun) compact (R<1.5 kpc) galaxies, we have explored the structural properties of these…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Ignacio Trujillo , Eleazar R. Carrasco , Anna Ferre-Mateu

Redshift Survey Compact Groups (RSCGs) are tight knots of N >= 3 galaxies selected from the CfA2+SSRS2 redshift survey. The selection is based on physical extent and association in redshift space alone. We measured 300 new redshifts of…

Astrophysics · Physics 2009-10-30 E. J. Barton , R. R. de Carvalho , M. J. Geller

The Deep Extragalactic Evolutionary Probe (DEEP) is a series of spectroscopic surveys of faint galaxies, targeted at the properties and clustering of galaxies at redshifts z ~ 1. We present the redshift catalog of the DEEP 1 GSS pilot phase…

The purpose of this work is to perform a statistical analysis of the location of compact groups in the Universe from observational and semi-analytical points of view. We used the velocity-filtered compact group sample extracted from the Two…

Astrophysics of Galaxies · Physics 2015-06-10 Eugenia Diaz-Gimenez , Ariel Zandivarez

We measure Redshift-Space Distortions (RSD) in the two-point correlation function of a sample of $63,163$ spectroscopically identified galaxies with $z < 0.2$, an epoch where there are currently only limited measurements, from the Sloan…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Cullan Howlett , Ashley J. Ross , Lado Samushia , Will J. Percival , Marc Manera

Preliminary results of a search for distant clusters of galaxies using the recently released I-band data obtained by the ESO Imaging Survey are presented. In this first installment of the survey, data covering about 3 square degrees in…

We use the outputs of a semi-analytical model of galaxy formation run on the Millennium Simulation to investigate the prevalence of 3D compact groups (CGs) of galaxies from $z = 11$ to 0. Our publicly available code identifies CGs using the…

We present constraints on the stellar-mass distribution of distant galaxies. These stellar-mass estimates derive from fitting population-synthesis models to the galaxies' observed multi-band spectrophotometry. We discuss the complex…

Astrophysics · Physics 2009-11-07 Casey Papovich , Mark Dickinson , Harry Ferguson

We report on our search for distant clusters of galaxies based on optical and X-ray follow up observations of X-ray candidates from the SHARC survey. Based on the assumption that the absence of bright optical or radio counterparts to…

Astrophysics · Physics 2009-11-13 C. Adami , M. P. Ulmer , F. Durret , G. Covone , E. Cypriano

We present a photometric catalogue of star cluster candidates in Hickson compact groups (HCGs) 7, 31, 42, 59, and 92, based on observations with the Advanced Camera for Surveys and the Wide Field Camera 3 on the Hubble Space Telescope. The…

Astrophysics of Galaxies · Physics 2015-06-24 K. Fedotov , S. C. Gallagher , P. R. Durrell , N. Bastian , I. S. Konstantopoulos , J. Charlton , K. E. Johnson , R. Chandar

The Blanco Cosmology Survey is 4-band (griz) optical-imaging survey that covers ~80 square degrees of the southern sky. The survey consists of two fields roughly centered at (RA,DEC) = (23h,-55d) and (5h30m,-53d) with imaging designed to…

Astrophysics of Galaxies · Physics 2015-06-19 L. E. Bleem , B. Stalder , M. Brodwin , M. T. Busha , M. D. Gladders , F. W. High , A. Rest , R. H. Wechsler

We present a catalog of true edge-on disk galaxies automatically selected from the Seventh Data Release (DR7) of the Sloan Digital Sky Survey. A visual inspection of the $g$, $r$ and $i$ images of about 15000 galaxies allowed us to split…

In order to map the galaxy density field in the local universe, we select the Nearby Optical Galaxy (NOG) sample, which is a distance-limited (cz < 6000 km/s) and magnitude--limited (B < 14 mag) sample of 7076 optical galaxies which covers…

Astrophysics · Physics 2007-05-23 G. Giuricin , C. Marinoni , L. Ceriani , A. Pisani

We present a catalog of galaxy clusters detected in a new ROSAT PSPC survey. The survey is optimized to sample, at high redshifts, the mass range corresponding to T> keV clusters at z=0. Technically, our survey is the extension of the 160…

Astrophysics · Physics 2009-11-11 R. A. Burenin , A. Vikhlinin , A. Hornstrup , H. Ebeling , H. Quintana , A. Mescheryakov

We analyzed the spatial distribution of 28500 photometrically selected galaxies with AB magnitude 23.5<R<25.5 and redshift 1.4<z<3.5 in 21 fields with a total area of 0.81 square degrees. The galaxies were divided into three subsamples,…

Astrophysics · Physics 2009-11-10 K. L. Adelberger , C. C. Steidel , M. Pettini , A. E. Shapley , N. A. Reddy , D. K. Erb